Eureka Weather Forecast

    • 40
    • 49

    Chance Rain Showers

    • 49
    • 56

    Rain Showers

    • 46
    • 66

    Rain Showers Likely

    • 39
    • 59

    Partly Sunny

    • 33
    • 55

    Breezy

    • 39
    • 58

    Mostly Sunny

Today 14 Oct McPherson

Cloudy. A slight chance of Showers late this Morning, then a chance of Showers this afternoon. Near steady temperature in the mid 40s. East Winds 5 to 10 Mph with Gusts up to 20 Mph, increasing to 15 to 20 Mph with Gusts up to 30 Mph this afternoon. Chance of rain 50 percent.

Tonight 14 Oct McPherson

Cloudy. A chance of Showers, mainly in the evening. Lows in the lower 40s. East Winds 15 to 20 Mph. Chance of rain 40 percent.

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Eureka Temperature Statistics

October Temperature

Mobridge, Mobridge Municipal Airport (41 miles)

  • Lowest 6 October, 2025

    36 °F

  • Average October

    59.3 °F

  • Highest 3 October, 2025

    86 °F

Climate (2020–Present)

Mobridge, Mobridge Municipal Airport (41 miles)

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  • Average Low 2020–2025

    36 °F

  • Average 2020–2025

    47.9 °F

  • Average High 2020–2025

    60 °F
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